263
Federal Aviation Administration, DOT
Pt. 121, App. C
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
1
in knots
40,000
V
50
42,000
V
50
44,000
V
50
45,000
V
50
8,000 .....................................................................................
4,550 86 4,750 88 4,970 90 5,060 91
1
Steady approach speed through 50 foot-height-knots TIAS denoted by symbol
V
50
.
Ref. Fig. 3(b)(1).
(2) Curtiss model C–46 certificated for maximum weight of 48,000 pounds.
1
(0.70 factor.)
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
2
in knots
42,000
V
50
44,000
V
50
46,000
V
50
48,000
V
50
S.L .........................................................................................
2,890 80 3,000 82 3,110 84 3,220 86
1,000 .....................................................................................
2,960 80 3,070 82 3,180 84 3,280 86
2,000 .....................................................................................
3,040 80 3,150 82 3,260 84 3,360 86
3,000 .....................................................................................
3,110 80 3,220 82 3,340 84 3,440 86
4,000 .....................................................................................
3,180 80 3,300 82 3,410 84 3,520 86
5,000 .....................................................................................
3,260 80 3,380 82 3,500 84 3,610 86
6,000 .....................................................................................
3,330 80 3,460 82 3,580 84 3,700 86
7,000 .....................................................................................
3,420 80 3,540 82 3,670 84 3,800 86
8,000 .....................................................................................
3,500 80 3,630 82 3,760 84 3,900 86
1
For use with Curtiss model C–46 airplanes when approved for this weight.
2
Steady approach speed through 50 foot-height-knots TIAS denoted by symbol
V
50
.
Ref. Fig. 3(b)(2).
(c) Actual length of runway required when effective length, considering obstacles, is not de-
termined in accordance with § 121.171.
(1) Curtiss model C–46 certificated for maximum weight of 45,000 pounds.
(0.55 factor.)
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
1
in knots
40,000
V
50
42,000
V
50
44,000
V
50
45,000
V
50
S.L .........................................................................................
4,710 86 4,910 88 5,130 90 5,230 91
1,000 .....................................................................................
4,840 86 5,050 88 5,270 90 5,370 91
2,000 .....................................................................................
4,960 86 5,180 88 5,410 90 5,510 91
3,000 .....................................................................................
5,090 86 5,320 88 5,550 90 5,660 91
4,000 .....................................................................................
5,230 86 5,460 88 5,700 90 5,810 91
5,000 .....................................................................................
5,360 86 5,600 88 5,850 90 5,960 91
6,000 .....................................................................................
5,500 86 5,740 88 6,000 90 6,110 91
7,000 .....................................................................................
5,640 86 5,900 88 6,170 90 6,280 91
8,000 .....................................................................................
5,790 86 6,050 88 6,340 90 6,450 91
1
Steady approach speed through 50 foot-height-knots TIAS denoted by symbol
V
50
.
Ref. Fig. 3(c)(1).
(2) Curtiss C–46 certificated for maximum weight of 48,000 pounds.
1
(0.55 factor.)
Distance in feet
Standard altitude in feet
Airplane weight in pounds and approach speeds
2
in knots
42,000
V
50
44,000
V
50
46,000
V
50
48,000
V
50
S.L .........................................................................................
3,680 80 3,820 82 3,960 84 4,090 86
1,000 .....................................................................................
3,770 80 3,910 82 4,050 84 4,180 86
2,000 .....................................................................................
3,860 80 4,000 82 4,140 84 4,280 86
3,000 .....................................................................................
3,960 80 4,090 82 4,240 84 4,380 86
4,000 .....................................................................................
4,050 80 4,190 82 4,340 84 4,490 86
5,000 .....................................................................................
4,150 80 4,290 82 4,450 84 4,600 86
6,000 .....................................................................................
4,240 80 4,400 82 4,560 84 4,710 86
7,000 .....................................................................................
4,350 80 4,510 82 4,670 84 4,840 86
8,000 .....................................................................................
4,450 80 4,620 82 4,790 84 4,960 86
1
For use with Curtiss model C–46 airplanes when approved for this weight.
2
Steady approach speed through 50 foot-height-knots TIAS denoted by symbol
V
50
.
Ref. Fig. 3(c)(2).
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